Teatcup liner



FIG. 1 is a perspective view of a teatcup liner;

FIG. 2 is a perspective view of the opposite end thereof;

FIG. 3 is a first side elevation view thereof;

FIG. 4 is a second side elevation view thereof;

FIG. 5 is a third side elevation view thereof;

FIG. 6 is a fourth side elevation view thereof;

FIG. 7 is an end view thereof; and,

FIG. 8 is an opposite end view thereof. 

The ornamental design for a teatcup liner, as shown and described. 